Clamshell-style valve knob cover lockout device



FIG. 1 shows a general perspective view of the invention in a closedposition.

FIG. 2 shows a general perspective view of the invention in an openposition.

FIG. 3 is a front view of an embodiment in the closed position.

FIG. 4 is a back view of an embodiment in the closed position.

FIG. 5 is a right side view of an embodiment in the closed position.

FIG. 6 is a left side view of an embodiment in the closed position.

FIG. 7 is a top view of an embodiment in the closed position.

FIG. 8 is a bottom view of an embodiment in the closed position.

FIG. 9 is a front view of an embodiment in the open position.

FIG. 10 is a back view of an embodiment in the open position.

FIG. 11 is a right side view of an embodiment in the open position.

FIG. 12 is a left side view of an embodiment in the open position.

FIG. 13 is a top view of an embodiment in the open position; and,

FIG. 14 is a bottom view of an embodiment in the open position.

The broken line showings of a sample valve and pipe extending therefromare directed to environment and are for illustrative purposes only; thebroken lines form no part of the claimed design.

CLAIM I claim the ornamental design for a clamshell-style valve knobcover lockout device, as shown and described.